i would say it has some time to go. >> richard engel, thank you so much, richard. thank you. thanks for all your reporting from over there. one major concern, of course, has been assad's stockpile of chemical weapons, which president obama warned last week that he should not use or else risk the consequences. defense secretary kenya commented today. >> i would like to believe he has the message. we have made it pretty clear, and others have as well. it's also clear that the opposition continues to make gains in syria, and our concern is that if they feel like the regime is, you know, threatened with collapse that, they might resort to these kinds of weapons. >> washington post david ignacious joins me. you have been reporting inside syria and throughout the region. what is the appropriate course for the administration? the president trying to warn assad, but what are the military consequences? what is he really willing to do if those chemical weapons were used? >> well, i think the military planners have been working on that for many weeks trying to think how would the u.s. i